Summary
Marcin Wolniewicz is a founder and seasoned software engineer with 11 years of experience building resilient backends and product-facing systems across startups and scale-ups in Stockholm. He has a strong track record in Go, Java and TypeScript, designing cloud-native services, real-time audio experiences, and package-sorting systems while driving observability and database performance in production. A dedicated practitioner of TDD and Clean Code, he focuses on composable architectures and decomposing monoliths into maintainable microservices. His background in sound engineering gives him a unique perspective on audio-rich features and systems thinking that informs both product and technical decisions. Comfortable switching between hands-on implementation and operational troubleshooting, he combines entrepreneurial drive with an engineer’s discipline for robustness and long-term maintainability.
11 years of coding experience
11 years of employment as a software developer
Master of Arts (MA) Sound engineering, Master of Arts (MA) Sound engineering at Chopin University of Music
Computer Science, Computer Science at Nicolaus Copernicus University
English, Polish, Swedish